A poker no deposit bonus is a promotional offer provided by online poker rooms, allowing players to try out the platform without risking their own money. Typically, players receive a small amount of bonus funds or free tournament entries upon registration, enabling them to explore the games and features. This incentive is ideal for newcomers looking to gain experience or seasoned players wanting to test a new site. However, it's essential to read the terms and conditions, as wagering requirements and withdrawal limits often apply.